The cottonmouth, also called a water moccasin, is a poisonous (venomous) snake
found in southeastern and south central North America. They leave one, two, or three puncture marks on the skin, but you won't always see any marks.
Primary Medical Reviewer
William H. Blahd, Jr., MD, FACEP - Emergency Medicine
Specialist Medical Reviewer
Sean P. Bush, MD, FACEP - Emergency Medicine, Envenomation Specialist
June 6, 2012
WebMD Medical Reference from Healthwise
June 06, 2012
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